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Pranab K. Banerjee, Space Dynamics Laboratory, Pranab.Banerjee@sdl.usu.edu [PRIMARY contact]
Stephanie Best, Consultant, Former Police Investigator for Logan City Police Dept, Logan, Utah
Student team: NO
The following suite of tools were used for this analysis:
Two Page Summary: NO (it is not provided at this time but will be submitted later)
Traces–1 Where was the device set off?
Grid cell number of where the device went off:
e.g. 3x12
Short Answer:
The device seems to have gone off in the room/cubicle consisting of the cells (col, row):
(66,33) (67,33) (68,33) (69,33) (66,34) (67,34) (68,34) (69,34) (66,35) (67,35) (68,35) (69,35) (66,36) (67,36) (68,36) (69,36) (66,37) (67,37) (68,37) (69,37)
This is based on the fact that the two occupants of this room (#50 and #18) die first as is evidenced by the fact that they stop moving by time sequence number 388, which is a short moment after time sequence number 374 when the device seems to have gone off.
This area of the explosion is shown in red in Figure 1. The white cells represent solid spaces, black areas are open spaces, and colored blocks with RFID numbers represent people.
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Figure 1: The room/cubicle marked red is the location in the building where the device went off. Click on this image to see a full resolution version.
Traces–2 Identify potential suspects and/or witnesses to the event.
Note: Potential suspects and/or witnesses are people who were near the area just prior to the explosion and exhibit suspicious behavior
Short Answer:
Potential Suspect/witness RFID Name Reason for suspicion 21 Ramon Katalanow He came to location of the explosion shortly before the device went off and was in the hallway close by at the time of the explosion 56
(was among the casualties)Cleveland Jimenez Came from the other end of the building and planted himself across the hall and few door down from the scene of the explosion shortly before the device went off. 29 and 44 Maxwell Lopez and Karissa Graham Even though they did not come really close to the location of the explosion, their movements were suspicious. They came from the other end of the building, met each other near grid cell (54, 15) at time frame #262, then proceeded together toward the exit and arrived near grid cell (72, 15) shortly before the explosion. They were the first ones to get out through the exit after the device went off.
Traces–3 Identify any suspects and/or witnesses who managed to escape the building.
List of RFID tag numbers :
e.g. 5; 24; 55
Short Answer:
Our hypothesis is that #21, and #44 escaped and that #29 was captured In the corner near the grid cell (76, 2) where a grid cell is represented as a (column, row) tuple.
Traces–4 Identify any casualties.
Short Answer:
The casualties are:
Grid Cell (1-based counting) RFID Name (67, 32) 50 Lottie Staley (67, 35) 18 Gale Welsh (62, 31) 56 Cleveland Jimenez (63, 31) 76 Fawn Sparks (56, 31) 19 Max Valdez (66, 45) 60 Lavon Lockhart (63, 45) 69 Morton Kilgore (61, 44) 65 Dian Crum (60, 45) 47 Rosario Oakley (61, 47) 78 Cleveland Hutchison (60, 54) 39 Phil Marin (40, 12) 59 Olive Palmer
These are identified as casualties because they stopped moving well before the final time instance, when most people were escaping. Figure 2, which is a visualization of the last time instance in the dataset, shows the casualties. Even though #36 is in the interior, he is not counted as casualty because it never moves throughout the dataset. We think the badge was deliberately or accidentally left behind by Francisco Salter.
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Fig 2: Figure showing casualties inside red markers. Click image for full resolution.
Traces–5 Describe the evacuation
